bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ProjectPerspectiveChoiceDialog.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *     Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog font should be
  *     activated and used by other components.
  *******************************************************************************/
 package org.eclipse.ui.internal.ide.dialogs;

 import java.text.Collator;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;

 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IPerspectiveDescriptor;
 import org.eclipse.ui.IPerspectiveRegistry;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.WorkbenchException;
 import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
 import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
 import org.eclipse.ui.model.PerspectiveLabelProvider;

 public class ProjectPerspectiveChoiceDialog extends Dialog {
     private static final int MIN_DIALOG_WIDTH = 200;

     private static final int MIN_DIALOG_HEIGHT = 250;

     private IWorkbenchWindow window;

     private ArrayList persps;

     private IPerspectiveDescriptor chosenPersp;

     private boolean sameWindow = true;

     private TableViewer list;

     private Comparator comparator = new Comparator() {
         private Collator collator = Collator.getInstance();

         public int compare(Object ob1, Object ob2) {
             IPerspectiveDescriptor d1 = (IPerspectiveDescriptor) ob1;
             IPerspectiveDescriptor d2 = (IPerspectiveDescriptor) ob2;
             return collator.compare(d1.getLabel(), d2.getLabel());
         }
     };

     /**
      * Create a ProjectPerspectiveChoiceDialog
      * @param window the workbench window launching this dialog
      * @param perspIds the list of ids the user can choose from
      */
     public ProjectPerspectiveChoiceDialog(IWorkbenchWindow window,
             String[] perspIds) {
         super(window.getShell());
         this.window = window;

         IWorkbenchPage page = window.getActivePage();
         if (page != null)
             chosenPersp = page.getPerspective();

         IPerspectiveRegistry reg = window.getWorkbench()
                 .getPerspectiveRegistry();
         persps = new ArrayList(perspIds.length);
         for (int i = 0; i < perspIds.length; i++) {
             IPerspectiveDescriptor desc;
             desc = reg.findPerspectiveWithId(perspIds[i]);
             if (desc != null && desc != chosenPersp)
                 persps.add(desc);
         }
         Collections.sort(persps, comparator);

         if (chosenPersp != null)
             persps.add(0, chosenPersp);
     }

     /* (non-Javadoc)
      * Method declared in Window.
      */
     protected void configureShell(Shell shell) {
         super.configureShell(shell);
         shell.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_title);
         PlatformUI.getWorkbench().getHelpSystem().setHelp(shell,
                 IIDEHelpContextIds.SHOW_PROJECT_PERSPECTIVE_DIALOG);
     }

     /* (non-Javadoc)
      * Method declared on Dialog.
      */
     protected void createButtonsForButtonBar(Composite parent) {
         createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL,
                 true);
     }

     /* (non-Javadoc)
      * Method declared on Dialog.
      */
     protected Control createDialogArea(Composite parent) {
         // page group
         Composite composite = (Composite) super.createDialogArea(parent);

         composite.setLayout(new GridLayout());
         GridData data = new GridData(GridData.FILL_BOTH);
         data.widthHint = MIN_DIALOG_WIDTH;
         data.heightHint = MIN_DIALOG_HEIGHT;
         composite.setLayoutData(data);

         createPerspectiveGroup(composite);
         createOptionGroup(composite);

         if (chosenPersp != null)
             list.setSelection(new StructuredSelection(chosenPersp));

         return composite;
     }

     /**
      * Creates the perspective choice controls.
      *
      * @param parent the parent composite
      */
     private void createPerspectiveGroup(Composite parent) {
         Font font = parent.getFont();
         // Label for choosing perspective
         Label label = new Label(parent, SWT.NONE);
         label.setFont(font);
         label.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_choosePerspective);

         // Add perspective list.
         list = new TableViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
         list.setLabelProvider(new PerspectiveLabelProvider(false));
         list.setContentProvider(new PerspectiveContentProvider());
         list.setInput(persps);
         list.addSelectionChangedListener(new SelectionListener());
         list.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
         list.getTable().setFont(font);
     }

     /**
      * Creates the option controls.
      *
      * @param parent the parent composite
      */
     private void createOptionGroup(Composite parent) {
         Font font = parent.getFont();
         // Create the option group
         Group optionGroup = new Group(parent, SWT.LEFT);
         GridLayout layout = new GridLayout();
         optionGroup.setLayout(layout);
         GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL
                 | GridData.GRAB_HORIZONTAL);
         optionGroup.setLayoutData(data);
         optionGroup.setFont(font);
         optionGroup.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_options);

         // Same window option
         Button button = new Button(optionGroup, SWT.RADIO | SWT.LEFT);
         button.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_sameWindow);
         data = new GridData();
         button.setLayoutData(data);
         button.setFont(font);
         button.setSelection(sameWindow);
         button.addSelectionListener(new SelectionAdapter() {
             public void widgetSelected(SelectionEvent e) {
                 sameWindow = true;
             }
         });

         // New window option
         button = new Button(optionGroup, SWT.RADIO | SWT.LEFT);
         button.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_newWindow);
         data = new GridData();
         button.setLayoutData(data);
         button.setFont(font);
         button.setSelection(!sameWindow);
         button.addSelectionListener(new SelectionAdapter() {
             public void widgetSelected(SelectionEvent e) {
                 sameWindow = false;
             }
         });
     }

     /**
      * Shows the choosen perspective in the same or
      * new window depending on the option checked.
      * Returns the workbench window the perspective
      * was shown in.
      */
     public IWorkbenchWindow showChosenPerspective() {
         if (chosenPersp == null)
             return window;

         final IWorkbenchWindow[] results = new IWorkbenchWindow[1];
         final WorkbenchException[] errors = new WorkbenchException[1];
         BusyIndicator.showWhile(window.getShell().getDisplay(), new Runnable() {
             public void run() {
                 if (sameWindow) {
                     results[0] = window;
                     IWorkbenchPage page = window.getActivePage();
                     if (page != null)
                         page.setPerspective(chosenPersp);
                 } else {
                     try {
                         results[0] = window.getWorkbench().openWorkbenchWindow(
                                 chosenPersp.getId(),
                                 ResourcesPlugin.getWorkspace().getRoot());
                     } catch (WorkbenchException e) {
                         errors[0] = e;
                     }
                 }
             }
         });

         IWorkbenchWindow result = results[0];
         results[0] = null;

         if (errors[0] != null) {
             ErrorDialog
                     .openError(
                             window.getShell(),
                             IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_errorTitle,
                             IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_errorMessage,
                             errors[0].getStatus());
             errors[0] = null;
             return window;
         }

         return result;
     }

     class PerspectiveContentProvider implements IStructuredContentProvider {
         public PerspectiveContentProvider() {
             super();
         }

         public void dispose() {
         }

         public Object[] getElements(Object element) {
             if (element instanceof ArrayList) {
                 return ((ArrayList) element).toArray();
             }
             return null;
         }

         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
         }

         public boolean isDeleted(Object element) {
             return false;
         }
     }

     class SelectionListener implements ISelectionChangedListener {
         public SelectionListener() {
             super();
         }

         public void selectionChanged(SelectionChangedEvent event) {
             IStructuredSelection selection = (IStructuredSelection) event
                     .getSelection();
             if (selection != null)
                 chosenPersp = (IPerspectiveDescriptor) selection
                         .getFirstElement();
         }
     }
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2005 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	* Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog font should be
	* activated and used by other components.
	*******************************************************************************/
	package org.eclipse.ui.internal.ide.dialogs;

	import java.text.Collator;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.Comparator;

	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.BusyIndicator;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.IPerspectiveDescriptor;
	import org.eclipse.ui.IPerspectiveRegistry;
	import org.eclipse.ui.IWorkbenchPage;
	import org.eclipse.ui.IWorkbenchWindow;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.WorkbenchException;
	import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
	import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
	import org.eclipse.ui.model.PerspectiveLabelProvider;

	public class ProjectPerspectiveChoiceDialog extends Dialog {
	private static final int MIN_DIALOG_WIDTH = 200;

	private static final int MIN_DIALOG_HEIGHT = 250;

	private IWorkbenchWindow window;

	private ArrayList persps;

	private IPerspectiveDescriptor chosenPersp;

	private boolean sameWindow = true;

	private TableViewer list;

	private Comparator comparator = new Comparator() {
	private Collator collator = Collator.getInstance();

	public int compare(Object ob1, Object ob2) {
	IPerspectiveDescriptor d1 = (IPerspectiveDescriptor) ob1;
	IPerspectiveDescriptor d2 = (IPerspectiveDescriptor) ob2;
	return collator.compare(d1.getLabel(), d2.getLabel());
	}
	};

	/**
	* Create a ProjectPerspectiveChoiceDialog
	* @param window the workbench window launching this dialog
	* @param perspIds the list of ids the user can choose from
	*/
	public ProjectPerspectiveChoiceDialog(IWorkbenchWindow window,
	String[] perspIds) {
	super(window.getShell());
	this.window = window;

	IWorkbenchPage page = window.getActivePage();
	if (page != null)
	chosenPersp = page.getPerspective();

	IPerspectiveRegistry reg = window.getWorkbench()
	.getPerspectiveRegistry();
	persps = new ArrayList(perspIds.length);
	for (int i = 0; i < perspIds.length; i++) {
	IPerspectiveDescriptor desc;
	desc = reg.findPerspectiveWithId(perspIds[i]);
	if (desc != null && desc != chosenPersp)
	persps.add(desc);
	}
	Collections.sort(persps, comparator);

	if (chosenPersp != null)
	persps.add(0, chosenPersp);
	}

	/* (non-Javadoc)
	* Method declared in Window.
	*/
	protected void configureShell(Shell shell) {
	super.configureShell(shell);
	shell.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_title);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(shell,
	IIDEHelpContextIds.SHOW_PROJECT_PERSPECTIVE_DIALOG);
	}

	/* (non-Javadoc)
	* Method declared on Dialog.
	*/
	protected void createButtonsForButtonBar(Composite parent) {
	createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL,
	true);
	}

	/* (non-Javadoc)
	* Method declared on Dialog.
	*/
	protected Control createDialogArea(Composite parent) {
	// page group
	Composite composite = (Composite) super.createDialogArea(parent);

	composite.setLayout(new GridLayout());
	GridData data = new GridData(GridData.FILL_BOTH);
	data.widthHint = MIN_DIALOG_WIDTH;
	data.heightHint = MIN_DIALOG_HEIGHT;
	composite.setLayoutData(data);

	createPerspectiveGroup(composite);
	createOptionGroup(composite);

	if (chosenPersp != null)
	list.setSelection(new StructuredSelection(chosenPersp));

	return composite;
	}

	/**
	* Creates the perspective choice controls.
	*
	* @param parent the parent composite
	*/
	private void createPerspectiveGroup(Composite parent) {
	Font font = parent.getFont();
	// Label for choosing perspective
	Label label = new Label(parent, SWT.NONE);
	label.setFont(font);
	label.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_choosePerspective);

	// Add perspective list.
	list = new TableViewer(parent, SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER);
	list.setLabelProvider(new PerspectiveLabelProvider(false));
	list.setContentProvider(new PerspectiveContentProvider());
	list.setInput(persps);
	list.addSelectionChangedListener(new SelectionListener());
	list.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
	list.getTable().setFont(font);
	}

	/**
	* Creates the option controls.
	*
	* @param parent the parent composite
	*/
	private void createOptionGroup(Composite parent) {
	Font font = parent.getFont();
	// Create the option group
	Group optionGroup = new Group(parent, SWT.LEFT);
	GridLayout layout = new GridLayout();
	optionGroup.setLayout(layout);
	GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL
	\| GridData.GRAB_HORIZONTAL);
	optionGroup.setLayoutData(data);
	optionGroup.setFont(font);
	optionGroup.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_options);

	// Same window option
	Button button = new Button(optionGroup, SWT.RADIO \| SWT.LEFT);
	button.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_sameWindow);
	data = new GridData();
	button.setLayoutData(data);
	button.setFont(font);
	button.setSelection(sameWindow);
	button.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	sameWindow = true;
	}
	});

	// New window option
	button = new Button(optionGroup, SWT.RADIO \| SWT.LEFT);
	button.setText(IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_newWindow);
	data = new GridData();
	button.setLayoutData(data);
	button.setFont(font);
	button.setSelection(!sameWindow);
	button.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	sameWindow = false;
	}
	});
	}

	/**
	* Shows the choosen perspective in the same or
	* new window depending on the option checked.
	* Returns the workbench window the perspective
	* was shown in.
	*/
	public IWorkbenchWindow showChosenPerspective() {
	if (chosenPersp == null)
	return window;

	final IWorkbenchWindow[] results = new IWorkbenchWindow[1];
	final WorkbenchException[] errors = new WorkbenchException[1];
	BusyIndicator.showWhile(window.getShell().getDisplay(), new Runnable() {
	public void run() {
	if (sameWindow) {
	results[0] = window;
	IWorkbenchPage page = window.getActivePage();
	if (page != null)
	page.setPerspective(chosenPersp);
	} else {
	try {
	results[0] = window.getWorkbench().openWorkbenchWindow(
	chosenPersp.getId(),
	ResourcesPlugin.getWorkspace().getRoot());
	} catch (WorkbenchException e) {
	errors[0] = e;
	}
	}
	}
	});

	IWorkbenchWindow result = results[0];
	results[0] = null;

	if (errors[0] != null) {
	ErrorDialog
	.openError(
	window.getShell(),
	IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_errorTitle,
	IDEWorkbenchMessages.ProjectPerspectiveChoiceDialog_errorMessage,
	errors[0].getStatus());
	errors[0] = null;
	return window;
	}

	return result;
	}

	class PerspectiveContentProvider implements IStructuredContentProvider {
	public PerspectiveContentProvider() {
	super();
	}

	public void dispose() {
	}

	public Object[] getElements(Object element) {
	if (element instanceof ArrayList) {
	return ((ArrayList) element).toArray();
	}
	return null;
	}

	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	}

	public boolean isDeleted(Object element) {
	return false;
	}
	}

	class SelectionListener implements ISelectionChangedListener {
	public SelectionListener() {
	super();
	}

	public void selectionChanged(SelectionChangedEvent event) {
	IStructuredSelection selection = (IStructuredSelection) event
	.getSelection();
	if (selection != null)
	chosenPersp = (IPerspectiveDescriptor) selection
	.getFirstElement();
	}
	}
	}